1、Using aluminum material, corrosion resistant and no rust, reinforced buckle and reinforced panel, long service life. 2、The door closing speeds can be adjusted, and the speeds can be automatically changed according to different needs. 3、The bold axle is adopted, the door closing force is more stable, and the mute door opening is smoother. 4、The mute input function can be switched, which is safer and eliminates the need for closing force adjustment and installation is more convenient. 5、The precise hydraulic system guarantees no oil leakage for long‑term use, smoothly and stable, and more convenient to use. Condition: 100% Brand New Item Type: Door Hinge Material: Aluminum Application: Concealed door hinge, spring hinge, positioning damping door closer hinge Function Introduction: After installation, you can adjust the mute according to your needs and the switching door can be adjusted to automatically close slowly! Eliminate the impact sound (adjustable reset) Weight: Approx. 533g / 18.8oz 1 x Hinge 1 x Accessory 10 x Screw